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  <section id="object-implementation-support">
<span id="newtypes"></span><h1>Object Implementation Support<a class="headerlink" href="#object-implementation-support" title="Permalink to this headline">¶</a></h1>
<p>This chapter describes the functions, types, and macros used when defining new
object types.</p>
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<li class="toctree-l1"><a class="reference internal" href="allocation.html">Allocating Objects on the Heap</a></li>
<li class="toctree-l1"><a class="reference internal" href="structures.html">Common Object Structures</a><ul>
<li class="toctree-l2"><a class="reference internal" href="structures.html#base-object-types-and-macros">Base object types and macros</a></li>
<li class="toctree-l2"><a class="reference internal" href="structures.html#implementing-functions-and-methods">Implementing functions and methods</a></li>
<li class="toctree-l2"><a class="reference internal" href="structures.html#accessing-attributes-of-extension-types">Accessing attributes of extension types</a></li>
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<li class="toctree-l1"><a class="reference internal" href="typeobj.html">Type Objects</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="typeobj.html#pytypeobject-definition">PyTypeObject Definition</a></li>
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<li class="toctree-l1"><a class="reference internal" href="typeobj.html#number-object-structures">Number Object Structures</a></li>
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<li class="toctree-l1"><a class="reference internal" href="typeobj.html#sequence-object-structures">Sequence Object Structures</a></li>
<li class="toctree-l1"><a class="reference internal" href="typeobj.html#buffer-object-structures">Buffer Object Structures</a></li>
<li class="toctree-l1"><a class="reference internal" href="typeobj.html#async-object-structures">Async Object Structures</a></li>
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<li class="toctree-l1"><a class="reference internal" href="typeobj.html#examples">Examples</a></li>
<li class="toctree-l1"><a class="reference internal" href="gcsupport.html">Supporting Cyclic Garbage Collection</a></li>
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